Bedrocker&reg; 2-in-1 Gravity Pro Electric Pepper Grinder and Mill Gravity operated set -- No buttons to push! No turning! Just tip it upside & down -- Pepper or other spice comes out! Simply flip or invert to activate each grinder for effortless one-handed dispensing of salt and seasonings.4 AA batteries needed not included. Durable eco-friendly ceramic mechanism easily grinds peppercorns, salt, and spices. seasons accurately with adjustable ceramic grinding mechanism that adjusts from fine to coarse. Features a top-mounted grind adjustor that never leaves a trail or mess, and an ultra soft textured non-slip grip. Can be switched on and off to prevent accidental dispensing, while reducing mess and conserving battery life A classy black and stainless steel design, with see-through windows for gauging levels.